Mark the chip ID registers as volatile, the current code does work as
without a default value regmap will read from the hardware the first
time, however, this makes it more explicit that this register should be
read from the hardware.
Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/cs53l30.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
index cb47fb5..b4f0a43 100644
--- a/sound/soc/codecs/cs53l30.c
+++ b/sound/soc/codecs/cs53l30.c
@@ -89,10 +89,16 @@ static const struct reg_default cs53l30_reg_defaults[] = {
static bool cs53l30_volatile_register(struct device *dev, unsigned int reg)
{
- if (reg == CS53L30_IS)
+ switch (reg) {
+ case CS53L30_DEVID_AB:
+ case CS53L30_DEVID_CD:
+ case CS53L30_DEVID_E:
+ case CS53L30_REVID:
+ case CS53L30_IS:
return true;
- else
+ default:
return false;
+ }
}
static bool cs53l30_writeable_register(struct device *dev, unsigned int reg)
--
2.1.4
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